tetrabromo-phenolsulfonephthalein

Definitions of tetrabromo-phenolsulfonephthalein
  1. noun
    a dye used as an acid-base indicator
    synonyms: bromophenol blue, bromphenol blue
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    type of:
    acid-base indicator
    an indicator that changes color on going from acidic to basic solutions
    dye, dyestuff
    a usually soluble substance for staining or coloring e.g. fabrics or hair
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